feat: add username management system

app/enum/UsernameType.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\enum;
+
+enum UsernameType: string
+{
+    case PUBLIC = 'public';
+    case PREMIUM = 'premium';
+
+    public function getColor(): string
+    {
+        return match ($this) {
+            self::PUBLIC => 'warning',
+            self::PREMIUM => 'success',
+        };
+    }
+
+    public function getLabel(): string
+    {
+        return match ($this) {
+            self::PUBLIC => 'Public',
+            self::PREMIUM => 'Premium',
+        };
+    }
+}